static int _cs_cmap_dispatch(int fd, int revents, void *data) { cs_error_t err; err = cmap_dispatch(cmap_handle, CS_DISPATCH_ONE); if (err != CS_OK && err != CS_ERR_TRY_AGAIN && err != CS_ERR_TIMEOUT && err != CS_ERR_QUEUE_FULL) { qb_log(LOG_ERR, "Could not dispatch cmap events. Error %u", err); qb_loop_stop(main_loop); return -1; } return 0; }
static void track_changes(cmap_handle_t handle) { struct pollfd pfd[2]; int cmap_fd; cs_error_t err; int poll_res; char inbuf[3]; int quit = CS_FALSE; err = cmap_fd_get(handle, &cmap_fd); if (err != CS_OK) { fprintf(stderr, "Failed to get file handle. Error %s\n", cs_strerror(err)); exit (EXIT_FAILURE); } pfd[0].fd = cmap_fd; pfd[1].fd = STDIN_FILENO; pfd[0].events = pfd[1].events = POLLIN; printf("Type \"q\" to finish\n"); do { pfd[0].revents = pfd[1].revents = 0; poll_res = poll(pfd, 2, INFTIM); if (poll_res == -1) { perror("poll"); } if (pfd[1].revents & POLLIN) { if (fgets(inbuf, sizeof(inbuf), stdin) == NULL) { quit = CS_TRUE; } else if (strncmp(inbuf, "q", 1) == 0) { quit = CS_TRUE; } } if (pfd[0].revents & POLLIN) { err = cmap_dispatch(handle, CS_DISPATCH_ALL); if (err != CS_OK) { fprintf(stderr, "Dispatch error %s\n", cs_strerror(err)); quit = CS_TRUE; } } } while (poll_res > 0 && !quit); }
int qdevice_cmap_dispatch(struct qdevice_instance *instance) { cs_error_t res; /* * dispatch can block if corosync is during sync phase */ if (instance->sync_in_progress) { return (0); } res = cmap_dispatch(instance->cmap_handle, CS_DISPATCH_ALL); if (res != CS_OK && res != CS_ERR_TRY_AGAIN) { qdevice_log(LOG_ERR, "Can't dispatch cmap messages"); return (-1); } return (0); }
static gboolean cmap_dispatch_callback (gpointer user_data) { cmap_dispatch(cmap_handle, CS_DISPATCH_ALL); return TRUE; }
int main(int argc, char *argv[]) { #ifdef USE_CONFDB confdb_handle_t handle; confdb_callbacks_t callbacks; hdb_handle_t object_handle; #endif #ifdef USE_CMAP cmap_handle_t handle; cmap_track_handle_t track_handle; int retries; cs_error_t result; #endif uint32_t u32; int status; int i; cs_error_t res; char str_val[255]; int ch; char *ep; change_uint32 = 0; change_str_len = 0; no_childs = 16; burst_count = 64; while ((ch = getopt(argc, argv, "hus:c:n:")) != -1) { switch (ch) { case 'u': change_uint32 = 1; break; case 's': change_str_len = strtol(optarg, &ep, 10); if (change_str_len <= 0 || *ep != '\0') { warnx("illegal number, -s argument -- %s", optarg); usage(); } break; case 'c': no_childs = strtol(optarg, &ep, 10); if (no_childs <= 0 || *ep != '\0') { warnx("illegal number, -c argument -- %s", optarg); usage(); } break; case 'n': burst_count = strtol(optarg, &ep, 10); if (burst_count <= 0 || *ep != '\0') { warnx("illegal number, -n argument -- %s", optarg); usage(); } break; case 'h': case '?': default: usage(); /* NOTREACHED */ } } signal(SIGPIPE, SIG_IGN); setlinebuf(stdout); #ifdef USE_CONFDB memset(&callbacks, 0, sizeof(callbacks)); assert(confdb_initialize(&handle, &callbacks) == CS_OK); assert(confdb_object_create(handle, OBJECT_PARENT_HANDLE, "testconfdb", strlen("testconfdb"), &object_handle) == CS_OK); assert(confdb_finalize(handle) == CS_OK); #endif my_id = create_childs(); u32 = my_id; #ifdef USE_CONFDB snprintf(my_key_uint, sizeof(my_key_uint), "testkeyu32id%u", my_id); snprintf(my_key_str, sizeof(my_key_str), "testkeystrid%u", my_id); #endif #ifdef USE_CMAP snprintf(my_key_uint, sizeof(my_key_uint), "testconfdb.testkeyu32id%u", my_id); snprintf(my_key_str, sizeof(my_key_str), "testconfdb.testkeystrid%u", my_id); #endif for (i = 0; i < change_str_len; i++) { str_val[i] = ((my_id + i) % ('Z' - 'A' + 1)) + 'A'; } str_val[i] = '\0'; if (my_id > 0) { #ifdef USE_CONFDB memset(&callbacks, 0, sizeof(callbacks)); callbacks.confdb_key_change_notify_fn = confdb_key_change_notify; assert(confdb_initialize(&handle, &callbacks) == CS_OK); #endif #ifdef USE_CMAP retries = 0; cs_repeat(retries, 30, result = cmap_initialize(&handle)); assert(result == CS_OK); #endif if (change_uint32) { #ifdef USE_CONFDB assert(confdb_key_create_typed(handle, object_handle, my_key_uint, &u32, sizeof(u32), CONFDB_VALUETYPE_UINT32) == CS_OK); #endif #ifdef USE_CMAP assert(cmap_set_uint32(handle, my_key_uint, u32) == CS_OK); #endif } if (change_str_len > 0) { #ifdef USE_CONFDB assert(confdb_key_create_typed(handle, object_handle, my_key_str, str_val, strlen(str_val), CONFDB_VALUETYPE_STRING) == CS_OK); #endif #ifdef USE_CMAP assert(cmap_set_string(handle, my_key_str, str_val) == CS_OK); #endif } } else { /* * "Wait" for other processes to initialize */ poll(NULL, 0, 1000); printf("Confdb-track-and-change initialization finished\n"); } if (my_id > 0) { signal(SIGINT, sigint_handler_child); #ifdef USE_CONFDB assert(confdb_track_changes(handle, object_handle, OBJECT_KEY_REPLACED) == CS_OK); #endif #ifdef USE_CMAP assert(cmap_track_add(handle, "testconfdb.", CMAP_TRACK_MODIFY | CMAP_TRACK_PREFIX, cmap_notify, NULL, &track_handle) == CS_OK); #endif if (change_uint32) { #ifdef USE_CONFDB assert(confdb_key_increment(handle, object_handle, my_key_uint, strlen(my_key_uint), &u32) == CS_OK); #endif #ifdef USE_CMAP assert(cmap_inc(handle, my_key_uint) == CS_OK); #endif expected_msgs_uint = 1; } if (change_str_len > 0) { inc_str(str_val, change_str_len); #ifdef USE_CONFDB assert(confdb_key_replace(handle, object_handle, my_key_str, strlen(my_key_str), NULL, 0, str_val, strlen(str_val)) == CS_OK); #endif #ifdef USE_CMAP assert(cmap_set_string(handle, my_key_str, str_val) == CS_OK); #endif expected_msgs_str = 1; } /* * Give other processes a little time to initialize */ poll(NULL, 0, 250); do { #ifdef USE_CONFDB res = confdb_dispatch(handle, CS_DISPATCH_BLOCKING); #endif #ifdef USE_CMAP res = cmap_dispatch(handle, CS_DISPATCH_BLOCKING); #endif } while (res == CS_OK || res == CS_ERR_TRY_AGAIN); } else { signal(SIGINT, sigint_handler_parent); for (i = 0; i < no_childs; i++) { wait(&status); } #ifdef USE_CONFDB confdb_object_destroy(handle, object_handle); #endif printf("Confdb-track-and-change finalization finished\n"); } return (0); }